01 / 04136 standard build configurations · 9 product familiesevidence
diode labsdiode labs

Grid Station Battery Charger — Type A (WAPDA P-133:95)

The standard 110 VDC / 220 VDC substation charger, built to WAPDA specification P-133:95 — the governing specification for grid-station DC supply in Pakistan.

Enquire
pricing by enquirylead time on request
Specifications06 rows
Standard
WAPDA Specification P-133:95
Input
230 VAC 1-phase or 415 VAC 3-phase, 50 Hz
Output voltage
24 / 48 / 110 / 125 / 220 VDC
Output current
5 A to 200 A
Most common ratings
110 VDC 25 A and 220 VDC 40 A
Enclosure
IP-20 floor-standing cubicle
built to date · 06

Standard build configurations

Configurations of this unit built to date. Ratings outside this list are quoted against the same platform.

  1. 01110 VDC 5 A, 15 A, 20 A, 30 A, 35 A, 40 Afor small substations
  2. 02110 VDC 25 A
  3. 03220 VDC 25 A, 50 A, 60 A, 100 A, 200 A
  4. 04220 VDC 40 A
  5. 05110 VDC 50 A, 60 A, 70 A, 100 A, 120 A, 150 A, 160 A
  6. 06252 VDC 300 A and 320 VDC 30–50 Afor power-house duty
Features · 06
  • Automatic float / boost operation with manual override
  • Constant-voltage regulation with adjustable setpoints
  • DC earth-fault detection and alarm
  • Mains-fail, charger-fail, DC under/over-voltage annunciation
  • Digital display of DC voltage, charging current and load current
  • Blocking diode and battery-reverse protection
Options · 05
  • Integral or separate DC distribution board (DCDB)
  • Matched battery bank and battery stand
  • SCADA / RS-485 Modbus and 4-20 mA analogue outputs
  • Dual redundant (1+1) configuration
  • Spares package to specification
Applications · 04
  • 132 kV / 220 kV / 500 kV grid stations
  • Industrial power houses and captive generation
  • Switchgear tripping and closing supplies
  • Protection, control and SCADA auxiliary supplies
Related · Battery Chargers & DC SystemsAll Battery Chargers & DC Systems
Battery Charger — Type B, Stainless Steel (SS-316L)
110 VDC 25-100 A charger in an SS-316L enclosure for corrosive, coastal and oil & gas field environments.
110 VDC · 25–100 A
Telecom Battery Charger 48 VDC (1+1 Redundant)
Dual-module 48 VDC power system built to telecom specifications, with N+1 redundancy and load sharing from 30 A to 200 A.
1–415 VAC · 30–200 A
Industrial Battery Charger with HMI & SCADA
High-capacity 110-220 VDC charger with touch HMI, 4-20 mA transmitters and RS-485 Modbus for integration into plant SCADA.
110–220 VDC · 100–200 A